CK-12 Foundation
Ck 12: Earth Science: Principles of Relative Dating
[Free Registration/Login may be required to access all resource tools.] Introduces Steno's laws, which allow scientists to decipher the geological events that occurred and the order in which they took place, including how the relative...
CK-12 Foundation
Ck 12: Earth Science: Preventing Hazardous Waste Problems
[Free Registration/Login may be required to access all resource tools.] Explains how to prevent hazardous waste pollution and how the Superfund Act regulates this type of pollution.
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Ck 12: Earth Science: Predicting Weather
[Free Registration/Login may be required to access all resource tools.] Looks at how meteorologists predict the weather.
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Ck 12: Earth Science: Overpopulation and Over Consumption
[Free Registration/Login may be required to access all resource tools.] Looks at how the human population has grown. Some consume a tremendous amount of resources and produce a lot of waste.
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Ck 12: Earth Science: Long Term Climate Change
[Free Registration/Login may be required to access all resource tools.] Describes some factors that lead to long-term climate changes.
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Ck 12: Earth Science: Intrusive and Extrusive Igneous Rocks
[Free Registration/Login may be required to access all resource tools.] Describes the features of intrusive and extrusive igneous rocks that cool slowly and rapidly, respectively.
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Ck 12: Earth Science: Impacts of Hazardous Waste
[Free Registration/Login may be required to access all resource tools.] Discusses the impacts of hazardous waste on the environment and human health, and the provisions of the Superfund Act.
CK-12 Foundation
Ck 12: Earth Science: Igneous Rocks
[Free Registration/Login may be required to access all resource tools.] Presents igneous rocks, which form from magma, and the two types: dense, dark mafic and less dense, light felsic. Also covers Bowen's Reaction Series.
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Ck 12: Earth Science: Igneous Rock Classification
[Free Registration/Login may be required to access all resource tools.] Presents the classifications of igneous rocks based on silica content.
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Ck 12: Earth Science: Finding and Mining Ores
[Free Registration/Login may be required to access all resource tools.] Identifies some of the valuable minerals and metals, and how they are located, mined, and refined.
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Ck 12: Earth Science: Determining Relative Ages
[Free Registration/Login may be required to access all resource tools.] Distinguishes how to tell which rock unit is older than the ones around it and so reveal the geologic history of the region.
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Ck 12: Earth Science: Collecting Weather Data
[Free Registration/Login may be required to access all resource tools.] Describes the various instruments that scientists use to measure weather conditions, including advanced tools like satellites and radar.
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Ck 12: Earth Science: Causes of Air Pollution
[Free Registration/Login may be required to access all resource tools.] Describes the air pollutants released from fossil fuels, biomass burning, and volatile organic compounds.
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Ck 12: Earth Science: Carbon Cycle and Climate
[Free Registration/Login may be required to access all resource tools.] Explains the cycle of carbon through the atmosphere, geosphere, and biosphere.
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Ck 12: Earth Science: Bathymetric Evidence for Seafloor Spreading
[Free Registration/Login may be required to access all resource tools.] Describes features of the seafloor and how they are mapped by echo sounding. It touches upon the continental margin as well.
CK-12 Foundation
Ck 12: Earth Science: Air Quality
[Free Registration/Login may be required to access all resource tools.] Presents information on the compounds that pollute the air, their sources, and the regions in which air quality is chronically bad.
CK-12 Foundation
Ck 12: Earth Science: Adaptation and Evolution of Populations
[Free Registration/Login may be required to access all resource tools.] Explains how natural selection favors certain traits in a population so that the organism adapts to its environment, and that changes in the genes over time cause...
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Ck 12: Earth Science: Environmental Impacts of Mining
[Free Registration/Login may be required to access all resource tools.] Describes types of mining, their environmental costs, and reclamation.
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Ck 12: Earth Science: Landforms From Glacial Erosion and Deposition
[Free Registration/Login may be required to access all resource tools.] Describes the mostly massive features created by glacial erosion and deposition.
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Ck 12: Earth Science: Landforms From Stream Erosion and Deposition
[Free Registration/Login may be required to access all resource tools.] Explains how and where rivers erode and deposit sediments, including particles and dissolved ions.
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Ck 12: Earth Science: Landforms From Wave Erosion and Deposition
[Free Registration/Login may be required to access all resource tools.] Distinguishes between erosional and depositional features created by ocean waves on a shoreline.
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Ck 12: Earth Science: Protecting Water From Pollution
[Free Registration/Login may be required to access all resource tools.] Explains why keeping water from being polluted is preferable to cleaning it after being polluted, and what has happened since the passage of the Clean Water Act in...
CK-12 Foundation
Ck 12: Earth Science: Water Pollution
[Free Registration/Login may be required to access all resource tools.] Describes the sources of water pollution, such as municipal, industrial, and agricultural.
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Ck 12: Earth Science: Principle of Uniformitarianism
How to use information from the present to understand the past.[Free Registration/Login may be required to access all resource tools.]